WTB Nano Tires. The Nano 40c is built for speed, and it delivers. A 40mm, rounded profile and an elevated centerline provide enough volume for lower tire pressures and a smoother ride while still reducing drag and rolling resistance. This makes for an all out gravel destroyer that can still appease those clamoring for a truly big cyclocross tire.

Long-lasting tire with a rounded profile and low rolling resistance

DNA Rubber: a fast-rolling light and tacky 62A rubber compound

Durable casing has a high rubber to thread ratio to protect against trail threats and urban unpleasantries

Customer reviews of this product:

Great all-around tire

Pros

Capable on all types of surfaces, good all-around tire.

Other Thoughts

I ride on roads to get to off-road and trail riding and have found this to be a good tire for all surfaces. On the road it runs smoothly and corners well without the slipping you get with some knobby tires. It has good traction for climbing off-road, even when there is loose dirt or gravel over hard-pack. At 40mm it is not ideal for sand, but if you hold your line and don't try anything fancy it will get you through. I have about 150 miles on the tires and they are wearing well.

Very Nice Tires!

by Ed S. of Altoona, IAon November 8, 2016

Product:WTB Nano 700 x 40 Comp Tire with Wire Bead Black

Ownership: a month

Tech Knowledge: high

Pros

Even though I only had these for a month and with just a little over 700 miles, these Nano Comps are very nice! Light and very easy to install! They look sharp too! Very pleased so far!

Cons

WTB Nano speedy and reliable

Excellent gravel tire. Lots of traction and confidence on downhills. Rolls very fast on pavement too.

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"WTB was founded in Marin County, California in 1982, fueled by the need to create durable and reliable mountain bike-specific equipment. Back then mountain biking was a new and burgeoning sport, and mountain bikes weren't much more than cobbled-together oddities. The original WTB crew was captivated by the experience of riding bikes on dirt trails, and they started creating more durable and functional components for their own bikes. Soon, local frame builders sought to outfit their bikes with WTB's high-end components. WTB was able to turn our passion for bikes into a successful business."

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